Shining light on CFLs

The chart below shows the average savings for the replacement of a standard incandescent light bulb with a more efficient compact fluorescent one.

Incandescent Bulb Wattage	Comparable CFL Wattage	Average Lumen Output	Yearly Energy Savings*
25	5	200	$1.99
40	9-11	500	$2.89
60	13-15	800	$4.48
75	18-20	1200	$5.48
100	23-27	1700	$7.27
150	30-39	2800	$11.06
200	42	4000	$15.74
300	55	5000	$24.40

Using average residential rate of .09096 per kWh and average bulb burn time of 3 hours per day. Includes base rate charge, Energy Cost Adjustment and Environmental Control Cost Adjustment. Based on higher comparable CFL wattage in range. Rates effective 06/02/09.